Home / 21,514,358.78-29,689,815.57-11,856,566.78

Finding the Fourth Proportional to 21,514,358.78, 29,689,815.57 and 11,856,566.78

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Solution

The fourth proportional to 21,514,358.78, 29,689,815.57 and 11,856,566.78 is: 16,362,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,358.78 : 29,689,815.57 = 11,856,566.78 : x
  2. Step 2: Convert to fraction form
    21,514,358.78/29,689,815.57 = 11,856,566.78/x
  3. Step 3: Cross multiply
    21,514,358.78x = 29,689,815.57 × 11,856,566.78
  4. Step 4: Simplify right side
    21,514,358.78x = 352,019,280,991,588.75
  5. Step 5: Solve for x
    x = 352,019,280,991,588.75/21,514,358.78
  6. Step 6: Final answer
    x = 16,362,062.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.